Terms and Privacy Policy

Terms of use

The information on this website is provided to help estimate sleep or wake times based on general sleep-cycle timing.

Calculator results are not medical advice, diagnosis, or a substitute for consulting a qualified health professional.

You are responsible for how you use information from this website.

Privacy

The calculator runs in the browser and does not require a user account.

We do not ask for names, email addresses, or sensitive personal information to use the calculator.

If analytics or ads are enabled in production, third-party services may process technical data such as cookies, IP address, device information, and page interactions according to their own policies.

Google AdSense and cookies

This website may show ads through Google AdSense after it is deployed to production.

Google and its partners may use cookies or similar technologies to serve and measure ads.

You can learn about and manage ad preferences through Google ad settings and your browser settings.

Changes

This page may be updated from time to time to reflect changes in features, services, or applicable regulations.